Home
Class 12
MATHS
IF A=[{:(1,2,2),(2,1,2),(2,2,1):}] then ...

IF `A=[{:(1,2,2),(2,1,2),(2,2,1):}]` then show that `A^2=4A-5I=O`.

Promotional Banner

Topper's Solved these Questions

  • MATRICES

    SRISIRI PUBLICATION|Exercise SHORT ANSWER TYPE QUESTIONS|45 Videos
  • MATRICES

    SRISIRI PUBLICATION|Exercise II VSAQ,SAQ,LAQ|13 Videos
  • MATHEMATICAL INDUCTION

    SRISIRI PUBLICATION|Exercise LONG ANSWER QUESTIONS|19 Videos
  • PAIR OF LINES

    SRISIRI PUBLICATION|Exercise MISCELLANEOUS|2 Videos

Similar Questions

Explore conceptually related problems

IF 3A=[{:(1,2,2),(2,1,-2),(-2,2,-1):}] then show that A^-1=A' .

IF A=[{:(-1,-2,-2),(2,1,-2),(2,-2,1):}] then show that adj A=3A^T . Also find A^-1 .

IF A=[{:(-1,-2,-2),(2,1,-2),(2,-2,1):}] then show that adjA=3A^T Also find A^-1

If A=[{:(1,-2,1),(0,1,-1),(3,-1,1):}] then show that A^3-3A^2-A-3I=O , where I is unit matrix of order 3

IF A=[{:(1,-2,1),(0,1,-1),(3,-1,1):}] then show that A^3-3A^2-A-31=O

If A=[(1,2,3),(3,-2,1),(4,2,1)] , then show that A^(3)-23A-40I=0

A=[{:(1,2,2),(2,1,2),(2,2,1):}] , then A^(3) - 4A^(2) -6A is equal to

If A= {:[( 1,2),(4,2) ]:} , then show that |2A| =4|A|

If A=[(3,1),(-1,2)] , show that A^(2)-5A+7I=0 .

SRISIRI PUBLICATION-MATRICES-SAPAR PAPER QUESTIONS
  1. IF A=[{:(1,2,2),(2,1,2),(2,2,1):}] then show that A^2=4A-5I=O.

    Text Solution

    |

  2. IF A=[{:(-1,2),(0,1):}] then find AA'. Do A and A' commute with respec...

    Text Solution

    |

  3. IF A=[{:(7,-2),(-1,2),(5,3):}],B=[{:(-2,-1),(4,2),(-1,0):}] then find ...

    Text Solution

    |

  4. Find the determinant of the matrix [{:(a,b,c),(b,c,a),(c,a,b):}]

    Text Solution

    |

  5. Find the inverse of A=[{:(2,-3),(4,6):}]

    Text Solution

    |

  6. Find the rank of [{:(1,2,6),(2,4,3):}]

    Text Solution

    |

  7. IF A=[{:(1,1,3),(5,2,6),(-2,-1,-3):}] then find A^3.

    Text Solution

    |

  8. IF A=[{:(1,-2,3),(0,-1,4),(-2,2,1):}] then find (A')^-1.

    Text Solution

    |

  9. Find the rank of A=[{:(0,1,1,-2),(4,0,2,5),(2,1,3,1):}] using elementa...

    Text Solution

    |

  10. By using Cramer's rule solve 2x-y+3z=9,x+y+z=6,x+y+z=2.

    Text Solution

    |

  11. Solve the following system of equations by using Cramer's rule. x-y+...

    Text Solution

    |

  12. By using Cramer's rule solve 2x-y+3z=9,-x+2y+z=4,3x+y-4z=0.

    Text Solution

    |

  13. By using Cramer's solve 5x-6y+4z=15,7z+4y-3z=19,2x+y+6z=46.

    Text Solution

    |

  14. By using Cramer's solve x+y+z=1,2x+2y+3z=6,x+4y+9z=3

    Text Solution

    |

  15. By using Cramer's solve x+y+z=9,2x+5y+7z=52,2x+y-z=0

    Text Solution

    |

  16. Solve the following equations by using Matrix inversion method. 2x-y...

    Text Solution

    |

  17. Solve the equations x+y+3z=5,4x+2y-z=0,-x+3y+z=5 by matrix inversion m...

    Text Solution

    |

  18. x+y+z=1,2x+2y+3z=6,z+4y+9z=3, by Gauss-Jordan method.

    Text Solution

    |

  19. Solve the equations x-3y-8z=-10,3x+y-4z=0,2x+5y+6z=13, by Gauss -Jorda...

    Text Solution

    |

  20. Solve 2x+6y+11=0,6x+20y-6z+3=0,6y-18z+1=0, by Gauss -Jordan method.

    Text Solution

    |

  21. Examine the consistency of the following systems of equations x+y+z=1...

    Text Solution

    |